459
FNCA52 TJSJ 140730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST THU MAY 14 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-142000-
SOUTHEAST COASTAL PLAINS-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 60 60
TEMP (24H TREND) 89 (+2) 72 (-2) 89
RH % (24H TREND) 53 (-5) 93 (+3) 52
WIND 20FT/EARLY(MPH) E 13 E 11 E 13
WIND 20FT/LATE(MPH) SE 13 E 10 SE 13
MIXING HGT(FT-AGL/MSL)4690 4850
TRANSPORT WND (MPH) SE 16 SE 14
VENT RATE (KT-FT) 65660 58200
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-142000-
SOUTHERN HILLS-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 50
TEMP (24H TREND) 86 (+3) 69 (-3) 86
RH % (24H TREND) 62 (-5) 98 (+4) 62
WIND 20FT/EARLY(MPH) SE 12 E 10 E 11
WIND 20FT/LATE(MPH) SE 12 E 11 SE 11
MIXING HGT(FT-AGL/MSL)5660 5910
TRANSPORT WND (MPH) SE 16 SE 14
VENT RATE (KT-FT) 79240 70920
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-142000-
NORTH COASTAL PLAINS-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 50
TEMP (24H TREND) 91 (+1) 72 (-1) 91
RH % (24H TREND) 57 (-2) 98 (+4) 57
WIND 20FT/EARLY(MPH) SE 13 SE 11 E 13
WIND 20FT/LATE(MPH) E 16 SE 10 E 16
MIXING HGT(FT-AGL/MSL)6230 5590
TRANSPORT WND (MPH) SE 15 E 13
VENT RATE (KT-FT) 80990 61490
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-142000-
NORTHERN HILLS-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 0 50
TEMP (24H TREND) 91 (+3) 69 (-2) 90
RH % (24H TREND) 57 (-2) 98 (+2) 57
WIND 20FT/EARLY(MPH) SE 12 SE 10 E 11
WIND 20FT/LATE(MPH) SE 14 SE 6 E 13
MIXING HGT(FT-AGL/MSL)6950 6660
TRANSPORT WND (MPH) SE 14 SE 10
VENT RATE (KT-FT) 83400 59940
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-142000-
WEST COAST-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 10 0
TEMP (24H TREND) 92 (+2) 72 (-1) 91
RH % (24H TREND) 58 (-3) 98 (+4) 58
WIND 20FT/EARLY(MPH) SE 16 E 12 SE 12
WIND 20FT/LATE(MPH) SE 16 E 10 SE 14
MIXING HGT(FT-AGL/MSL)5400 5150
TRANSPORT WND (MPH) SE 18 SE 10
VENT RATE (KT-FT) 86400 46350
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-142000-
EASTERN INTERIOR-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 50 60
TEMP (24H TREND) 88 (+2) 70 (-3) 88
RH % (24H TREND) 62 (-3) 100 (+4) 62
WIND 20FT/EARLY(MPH) SE 14 SE 12 SE 13
WIND 20FT/LATE(MPH) SE 13 E 12 SE 13
MIXING HGT(FT-AGL/MSL)5710 6190
TRANSPORT WND (MPH) SE 17 SE 14
VENT RATE (KT-FT) 85650 74280
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-142000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 60 60
TEMP (24H TREND) 83 (+3) 68 (-3) 83
RH % (24H TREND) 71 (-4) 100 (+1) 71
WIND 20FT/EARLY(MPH) SE 12 SE 11 SE 11
WIND 20FT/LATE(MPH) SE 12 E 10 SE 11
MIXING HGT(FT-AGL/MSL)3970 3970
TRANSPORT WND (MPH) SE 17 SE 16
VENT RATE (KT-FT) 59550 55580
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-142000-
CENTRAL MOUNTAIN RANGE-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 10 30
TEMP (24H TREND) 87 (+5) 67 (-2) 88
RH % (24H TREND) 61 (-5) 99 (+4) 60
WIND 20FT/EARLY(MPH) SE 11 SE 6 SE 9
WIND 20FT/LATE(MPH) SE 11 E 5 SE 10
MIXING HGT(FT-AGL/MSL)6740 7200
TRANSPORT WND (MPH) SE 16 SE 10
VENT RATE (KT-FT) 94360 64800
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-142000-
CAYEY MOUNTAIN RANGE-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 60 60
TEMP (24H TREND) 82 (+2) 69 (-2) 82
RH % (24H TREND) 70 (-3) 100 (+1) 70
WIND 20FT/EARLY(MPH) SE 11 E 9 SE 10
WIND 20FT/LATE(MPH) SE 10 E 9 SE 10
MIXING HGT(FT-AGL/MSL)4390 4790
TRANSPORT WND (MPH) SE 16 SE 14
VENT RATE (KT-FT) 61460 57480
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-142000-
VIEQUES-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 50 50
TEMP (24H TREND) 87 (0) 74 (-2) 87
RH % (24H TREND) 63 (-2) 94 (+3) 63
WIND 20FT/EARLY(MPH) SE 18 E 14 SE 16
WIND 20FT/LATE(MPH) SE 14 E 16 SE 13
MIXING HGT(FT-AGL/MSL)3240 2940
TRANSPORT WND (MPH) SE 22 E 20
VENT RATE (KT-FT) 61560 49980
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-142000-
CULEBRA-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 60 50
TEMP (24H TREND) 89 (+2) 76 (-2) 89
RH % (24H TREND) 61 (-5) 93 (+5) 60
WIND 20FT/EARLY(MPH) SE 18 E 16 SE 17
WIND 20FT/LATE(MPH) SE 16 E 16 SE 13
MIXING HGT(FT-AGL/MSL)3360 3180
TRANSPORT WND (MPH) SE 22 SE 21
VENT RATE (KT-FT) 63840 57240
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-142000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 30
TEMP (24H TREND) 91 (+2) 73 (-2) 91
RH % (24H TREND) 50 (-6) 93 (+4) 49
WIND 20FT/EARLY(MPH) E 19 E 17 E 17
WIND 20FT/LATE(MPH) SE 19 E 16 SE 19
MIXING HGT(FT-AGL/MSL)5030 5140
TRANSPORT WND (MPH) SE 21 SE 17
VENT RATE (KT-FT) 90540 77100
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-142000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 40
TEMP (24H TREND) 86 (+1) 75 (-3) 86
RH % (24H TREND) 65 (-3) 94 (+6) 65
WIND 20FT/EARLY(MPH) SE 18 E 16 E 17
WIND 20FT/LATE(MPH) SE 16 E 17 E 14
MIXING HGT(FT-AGL/MSL)3370 3180
TRANSPORT WND (MPH) SE 22 E 21
VENT RATE (KT-FT) 64030 57240
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-142000-
ST CROIX-
330 AM AST THU MAY 14 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
TEMP (24H TREND) 87 (+1) 74 (-3) 87
RH % (24H TREND) 65 (-3) 96 (+6) 65
WIND 20FT/EARLY(MPH) SE 17 E 16 E 16
WIND 20FT/LATE(MPH) SE 16 E 16 E 14
MIXING HGT(FT-AGL/MSL)4640 4500
TRANSPORT WND (MPH) SE 21 SE 18
VENT RATE (KT-FT) 83520 72000
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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